<template>
  <div class="app-container">
    <h2 style="text-align: center">发布新课程</h2>
    <el-steps :active="3" process-status="wait" >
      <el-step title="填写课程基本信息"></el-step>
      <el-step title="创建课程大纲" ></el-step>
      <el-step title="提交审核"></el-step>
    </el-steps>


    <div class="ccInfo">
      <img :src="coursePublish.cover">
      <div class="main">
        <h2>{{ coursePublish.title }}</h2>
        <p class="gray"><span>共{{ coursePublish.lessonNum }}课时</span></p>
        <p><span>所属分类：{{ coursePublish.subjectLevelOne }} — {{ coursePublish.subjectLevelTwo }}</span></p>
        <p>课程讲师：{{ coursePublish.teacherName }}</p>
        <h3 class="red">￥{{ coursePublish.price }}</h3>
      </div>
    </div>

    <el-form label-width="120px">
      <el-form-item>
        <el-button @click="previous">上一步</el-button>
        <el-button  type="primary" @click="publish">发布</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import course from '@/api/edu/course'
export default {
  data(){
    return{
      courseId:'',
      coursePublish:{}
    }
  },
  created() {
    console.log('publish created')
    //获取路由课程id值
    if(this.$route.params && this.$route.params.id) {
      this.courseId = this.$route.params.id
      //调用接口方法根据课程id查询
      this.getCoursePublishId()
    }
  },
  methods: {
    //根据课程id查询
    getCoursePublishId() {
      course.getPublishCourseInfo(this.courseId)
        .then(response => {
          this.coursePublish = response.data.publishCourse
        })
    },
    previous() {
      //跳转到上一步
      this.$router.push({path: '/course/info/1'})
    },
    publish() {
      course.publishCourse(this.courseId)
        .then(response => {
          //提示
          this.$message({
            type: 'success',
            message: '课程发布成功!'
          });
          this.$router.push({path: '/course/list'})
        })
    }
  }
}
</script>

<style scoped>
.ccInfo {
  background: #f5f5f5;
  padding: 20px;
  overflow: hidden;
  border: 1px dashed #DDD;
  margin-bottom: 40px;
  position: relative;
}
.ccInfo img {
  background: #d6d6d6;
  width: 500px;
  height: 278px;
  display: block;
  float: left;
  border: none;
}
.ccInfo .main {
  margin-left: 520px;
}

.ccInfo .main h2 {
  font-size: 28px;
  margin-bottom: 30px;
  line-height: 1;
  font-weight: normal;
}
.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}

.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}
.ccInfo .main h3 {
  left: 540px;
  bottom: 20px;
  line-height: 1;
  font-size: 28px;
  color: #d32f24;
  font-weight: normal;
  position: absolute;
}
</style>
